Airplane



FIG. 1 is a top plan view thereof;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevation view thereof; the opposite side being amirror image of that shown;

FIG. 4 is a front elevation view thereof; and,

FIG. 5 is a rear elevation view thereof.

The ornamental design for an airplane, substantially as shown anddescribed.